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The central problem is still evolutionary stability

Published online by Cambridge University Press:  17 February 2023

Sławomir Wacewicz
Affiliation:
Center for Language Evolution Studies, Nicolaus Copernicus University in Toruń, 87-100 Toruń, Poland. wacewicz@umk.pl; Przemyslaw.Zywiczynski@umk.pl https://cles.umk.pl/
Przemysław Żywiczyński
Affiliation:
Center for Language Evolution Studies, Nicolaus Copernicus University in Toruń, 87-100 Toruń, Poland. wacewicz@umk.pl; Przemyslaw.Zywiczynski@umk.pl https://cles.umk.pl/

Abstract

We applaud Heintz & Scott-Phillips's guiding metaphor of “unleashing leashed expression,” and we value the unified explanation for the emergence of not only language, but also other forms of unleashed expression, such as multimodal communication. We are more critical of the authors' discussion of the selection pressures acting towards unleashed expression, which are proposed to hinge on partner choice ecology.

Type
Open Peer Commentary
Copyright
Copyright © The Author(s), 2023. Published by Cambridge University Press

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